<template>
  <view class= "cart-container" v-if="cart.length !== 0">
    <!--s收获地址组件-->
    <my-address></my-address>
        <!--商品列表标题区域-->
    <view class="cart-title">
      <!--左侧的图标-->
      <uni-icons type = "shop" size = "18"></uni-icons>
      <!--右侧的文本-->
      <text class = "cart-title-text">购物车</text>
    </view>
    <!--循环渲染购物车中的商品信息-->
   <!--滑动删除-->
    <uni-swipe-action>
      <block v-for ="(goods,i) in cart" :key ="i">
        <uni-swipe-action-item :right-options="options" @click = "swipeItemClickHandler(goods)">
             <my-goods :goods="goods" :show-num="true" :show-radio="true" @radio-change = "radioChangeHandler" @num-change="numChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>   
  <!--结算组件-->
  <my-settle></my-settle>
  </view>
  
  <!--空白购物车区域-->
  <view class="empty-cart" v-else>
    <image src="../../static/cart_empty1.jpg"></image>
    <text class= "tip-text">空空如也</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import { mapState,mapMutations} from 'vuex'
  
  export default {
    mixins:[badgeMix],
    computed:{
      ...mapState('m_cart',['cart'])
    },
    data() {
      return {
        options:[{
          text:'删除',
          style:{
            backgroundColor :'#C00000'
          }
        }]
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      numChangeHandler(e){
        this.updateGoodsCount(e); 
      },
      swipeItemClickHandler(goods){
       // console.log(goods.goods_id)
        this.removeGoodsById(goods.goods_id);
      }
      
    }
  }
</script>

<style lang="scss">
  .cart-container{
      padding-bottom: 50px;
  }
  .cart-title{
    height:40px;
    display: flex;
    align-items: center;
    padding-left: 5px;
    border-bottom: 1px solid #EFEFEF;  
    .cart-title-text{
        font-size:14px;
        margin-left:10px;
    }
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    align-items: center;
    .empty-img{
      padding-top: 150px;
      width: 90px;
      height: 90px;
      
    }
    .tip-text{
       font-size: 12px;
       color:gray;
       margin-top: 15px;
    }
  }
</style>
